Antistrophon

• (n.) An argument retorted on an opponent.
Found on http://thinkexist.com/dictionary/meaning/antistrophon/

Antistrophon

An·tis'tro·phon noun [ Greek ... turned opposite ways.] (Rhet.) An argument retorted on an opponent. Milton.
Found on http://www.encyclo.co.uk/webster/A/98

antistrophon

turning of opponent's own argument against them
Found on http://phrontistery.info/a.html
No exact match found